Ready To Run

Always alert to danger, these wary animals graze on grasslands near Gillette, Wyoming, USA. The Pronghorn is a long distance running champion in the animal kingdom. Regarded as the second fastest land animal after the Cheetah, the Pronghorn, also known as the American antelope, has the ability to run at 35 mph for up to 4 miles (56 km/h for 6 km). They can achieve a sustained 55 mph (88.5 km/h) over half a mile.